
button.btn-primary {
    background-color: #000 !important;
    width: 100%;
    height: 42px;
    line-height: 42px;
    color: #fff;
    font-size: 16px;
    font-weight: normal;
    border-radius: 0;
    border: none;
}

button.btn-primary:hover, button.btn-primary:active, button.btn-primary:focus{
    background-color: #000 !important;
    opacity: .8;
    color: #fff;
}